filters

Remove items/rows from the end of the input list/table. Counterpart of `skip`. Opposite of `last`.

Signature

> drop {flags} (rows)

Parameters

• rows: The number of items to remove.

Input/output types:

input	output
list<any>	list<any>
table	table

Examples

Remove the last item of a list

> [0,1,2,3] | drop
╭───┬───╮
│ 0 │ 0 │
│ 1 │ 1 │
│ 2 │ 2 │
╰───┴───╯

Remove zero item of a list

> [0,1,2,3] | drop 0
╭───┬───╮
│ 0 │ 0 │
│ 1 │ 1 │
│ 2 │ 2 │
│ 3 │ 3 │
╰───┴───╯

Remove the last two items of a list

> [0,1,2,3] | drop 2
╭───┬───╮
│ 0 │ 0 │
│ 1 │ 1 │
╰───┴───╯

Remove the last row in a table

> [[a, b]; [1, 2] [3, 4]] | drop 1
╭───┬───┬───╮
│ # │ a │ b │
├───┼───┼───┤
│ 0 │ 1 │ 2 │
╰───┴───┴───╯

Subcommands:

name	type	usage
drop column	Builtin	Remove N columns at the right-hand end of the input table. To remove columns by name, use reject.
drop nth	Builtin	Drop the selected rows.